Susan keeps track of the number tickets sold for each play presented at the community theater. Within how many standard deviations from the mean do all the values fall?
135, 71, 69, 80, 158, 152, 161, 96, 122, 118, 87, 85

Question

Susan keeps track of the number tickets sold for each play presented at the community theater. Within how many standard deviations from the mean do all the values fall? 
135, 71, 69, 80, 158, 152, 161, 96, 122, 118, 87, 85

anonymous · Answer

I think it is 3

toxicsugar22 · Answer

34.295 is the stardard  deviation rounded to three decimals is the answer I think